package com.example.asuper.check;


import android.app.Activity;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.res.AssetFileDescriptor;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;

import com.example.asuper.check.demo.camera.CameraManager;
import com.example.asuper.check.demo.decoding.CaptureActivityHandler;
import com.example.asuper.check.demo.decoding.InactivityTimer;
import com.example.asuper.check.demo.view.ViewfinderView;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;

import java.io.IOException;
import java.util.Vector;

public class CaptureActivity extends Activity implements Callback
{
    private CaptureActivityHandler handler;
    private ViewfinderView viewfinderView;
    private boolean hasSurface;
    private Vector<BarcodeFormat> decodeFormats;
    private String characterSet;
    private InactivityTimer inactivityTimer;
    private MediaPlayer mediaPlayer;
    private boolean playBeep;
    private static final float BEEP_VOLUME = 0.10f;
    private boolean vibrate;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_capture);
        // ��ʼ�� CameraManager
        CameraManager.init(getApplication());
        viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
        hasSurface = false;
        inactivityTimer = new InactivityTimer(this);

        if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        } else {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        }
    }

    @Override
    protected void onResume()
    {
        super.onResume();
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        if (hasSurface)
        {
            initCamera(surfaceHolder);
        }
        else
        {
            surfaceHolder.addCallback(this);
            surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }
        decodeFormats = null;
        characterSet = null;

        playBeep = true;
        AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
        if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL)
        {
            playBeep = false;
        }
        initBeepSound();
        vibrate = true;
    }

    @Override
    protected void onPause()
    {
        super.onPause();
        if (handler != null)
        {
            handler.quitSynchronously();
            handler = null;
        }
        CameraManager.get().closeDriver();
    }

    @Override
    protected void onDestroy()
    {
        inactivityTimer.shutdown();
        super.onDestroy();
    }

    private void initCamera(SurfaceHolder surfaceHolder)
    {
        try
        {
            CameraManager.get().openDriver(surfaceHolder);
        }
        catch (IOException ioe)
        {
            return;
        }
        catch (RuntimeException e)
        {
            return;
        }
        if (handler == null)
        {
            handler = new CaptureActivityHandler(this, decodeFormats, characterSet);
        }
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
    {

    }

    @Override
    public void surfaceCreated(SurfaceHolder holder)
    {
        if (!hasSurface)
        {
            hasSurface = true;
            initCamera(holder);
        }

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder)
    {
        hasSurface = false;

    }

    public ViewfinderView getViewfinderView()
    {
        return viewfinderView;
    }

    public Handler getHandler()
    {
        return handler;
    }

    public void drawViewfinder()
    {
        viewfinderView.drawViewfinder();

    }

    //	public void handleDecode(final Result obj, Bitmap barcode)
//	{
//		inactivityTimer.onActivity();
//		playBeepSoundAndVibrate();
//		AlertDialog.Builder dialog = new AlertDialog.Builder(this);
//		if (barcode == null)
//		{
//			dialog.setIcon(null);
//		}
//		else
//		{
//
//			Drawable drawable = new BitmapDrawable(barcode);
//			dialog.setIcon(drawable);
//		}
//		dialog.setTitle("saomiaojie");
//		dialog.setMessage(obj.getText());
//		dialog.setNegativeButton("queding", new DialogInterface.OnClickListener()
//		{
//			@Override
//			public void onClick(DialogInterface dialog, int which)
//			{
//				//��Ĭ���������ɨ��õ��ĵ�ַ
//				Intent intent = new Intent();
//				intent.setAction("android.intent.action.VIEW");
//				Uri content_url = Uri.parse(obj.getText());
//				intent.setData(content_url);
//				startActivity(intent);
//				finish();
//			}
//		});
//		dialog.setPositiveButton("quxiao", new DialogInterface.OnClickListener()
//		{
//			@Override
//			public void onClick(DialogInterface dialog, int which)
//			{
//				finish();
//			}
//		});
//		dialog.create().show();
//	}
    public void handleDecode(final Result obj, Bitmap barcode)
    {
        inactivityTimer.onActivity();
        playBeepSoundAndVibrate();
        String result =obj.getText();//��ά���ɨ����
        Intent intent = new Intent();
        intent.putExtra("result", result);
        setResult(Activity.RESULT_OK, intent);
        finish();
    }
    private void initBeepSound()
    {
        if (playBeep && mediaPlayer == null)
        {
            // The volume on STREAM_SYSTEM is not adjustable, and users found it
            // too loud,
            // so we now play on the music stream.
            setVolumeControlStream(AudioManager.STREAM_MUSIC);
            mediaPlayer = new MediaPlayer();
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mediaPlayer.setOnCompletionListener(beepListener);

            AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
            try
            {
                mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
                file.close();
                mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
                mediaPlayer.prepare();
            }
            catch (IOException e)
            {
                mediaPlayer = null;
            }
        }
    }

    private static final long VIBRATE_DURATION = 200L;

    private void playBeepSoundAndVibrate()
    {
        if (playBeep && mediaPlayer != null)
        {
            mediaPlayer.start();
        }
        if (vibrate)
        {
            Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
            vibrator.vibrate(VIBRATE_DURATION);
        }
    }

    /**
     * When the beep has finished playing, rewind to queue up another one.
     */
    private final OnCompletionListener beepListener = new OnCompletionListener()
    {
        public void onCompletion(MediaPlayer mediaPlayer)
        {
            mediaPlayer.seekTo(0);
        }
    };

}